pef20320 Infineon Technologies Corporation, pef20320 Datasheet - Page 5
pef20320
Manufacturer Part Number
pef20320
Description
Multichannel Network Interface Controller For Hdlc With 32 Channels
Manufacturer
Infineon Technologies Corporation
Datasheet
1.PEF20320.pdf
(252 pages)
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Table of Contents
1
1.1
1.2
1.3
1.4
1.5
1.6
2
2.1
2.2
2.2.1
2.2.2
2.2.3
2.3
2.4
2.5
3
3.1
3.2
4
4.1
4.2
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
4.2.6
4.3
4.4
5
5.1
5.1.1
5.1.1.1
5.1.1.2
5.1.1.3
5.1.1.4
5.1.2
5.1.3
5.1.3.1
User’s Manual
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Features
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Pin Definitions and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
System Integration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Serial Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Microprocessor Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Basic Functional Principles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Detailed Protocol Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
Boundary Scan Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .126
Operational Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131
Reset State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131
Initialization Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132
Detailed Register Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134
Organization of the Shared Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134
Control and Configuration Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136
Transmit Descriptor
Receive Descriptor
Application Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173
Test Loops . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173
Intel Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Motorola Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
DMA Priorities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Action Specification (Read Once After Each Action Request Pulse) . . .136
Interrupt Queue Specification
Interrupt Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141
Time Slot Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .148
Channel Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149
Current Receive and Transmit Descriptor Address
Test Loop Definitions for the MUNICH32 . . . . . . . . . . . . . . . . . . . . . . .173
Test Loop Activation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .176
Test Loop Deactivation and Switching . . . . . . . . . . . . . . . . . . . . . . . . . .176
Internal Complete Test Loop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173
Internal Channelwise Test Loop . . . . . . . . . . . . . . . . . . . . . . . . . . . .174
External Complete Test Loop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174
External Channelwise Test Loop . . . . . . . . . . . . . . . . . . . . . . . . . . . .175
Software Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .177
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .162
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .168
5
. . . . . . . . . . . . . . . . . . . . . . .140
. . . . . . . . . . . . . .161
PEB 20320
01.2000
Page
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